Which of the following expressions are equivalent to 0.7x-4x0.4

You receive 15% of the profit from a car wash how much money do you receive from a profit of 300

Afamily has five members. a mom, a dad, two sisters, & a brother. the family lines up single file. what is the probabillity that the mom is at the front of the line

The areas of two similar triangles are 72dm2 and 50dm2. the sum of their perimeters is 226dm. what is the perimeter of each of these triangles?